I updated my JHipster installation as per this page by running the command
npm update -g generator-jhipster
But to update my application I
Our jHipster monolithic project is based on an older build of the generator, and still reliant on bower / angularjs for the client. Thus the auto-update ability would never work.
I've been manually updating spring-boot-starter-parent every other sprint to try and bring it up into 2.x parity, but am still unable to leave the 1.5.x version stream due to various dependency issues with (mainly) Hibernate.
As a possible suggestion if you're in the same boat with your own monolithic project: